Base | Representation |
---|---|
bin | 1101101101011… |
… | …11001000011001 |
3 | 22000102012222012 |
4 | 12312233020121 |
5 | 213420341441 |
6 | 15225035305 |
7 | 2564405210 |
oct | 666571031 |
9 | 260365865 |
10 | 115012121 |
11 | 59a15344 |
12 | 32625b35 |
13 | 1aa9b813 |
14 | 113bc077 |
15 | a16c9eb |
hex | 6daf219 |
115012121 has 8 divisors (see below), whose sum is σ = 137157504. Its totient is φ = 94295520.
The previous prime is 115012099. The next prime is 115012147. The reversal of 115012121 is 121210511.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 115012121 - 210 = 115011097 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 115012096 and 115012105.
It is not an unprimeable number, because it can be changed into a prime (115012151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357020 + ... + 357341.
It is an arithmetic number, because the mean of its divisors is an integer number (17144688).
Almost surely, 2115012121 is an apocalyptic number.
It is an amenable number.
115012121 is a deficient number, since it is larger than the sum of its proper divisors (22145383).
115012121 is an equidigital number, since it uses as much as digits as its factorization.
115012121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 714391.
The product of its (nonzero) digits is 20, while the sum is 14.
The square root of 115012121 is about 10724.3704244119. The cubic root of 115012121 is about 486.3114976529.
Adding to 115012121 its reverse (121210511), we get a palindrome (236222632).
The spelling of 115012121 in words is "one hundred fifteen million, twelve thousand, one hundred twenty-one".
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